Still life left in Foran's squad.    Inverness managed a battling 1-1 draw with Hearts at Tynecastle to show the supporters that their season is not over yet. Carl Tremarco scored with a powerful header to give the Highlanders a first half lead but Arnaud Djoum leveled matters just after the hour. Neither side could make the breakthrough after that as Inverness defended in depth to ensure they took a welcome point back North. Richie Foran's depleted squad fought well considering h